Product material: Zinc alloy Product weight about 0.424KG/pair Product Description 1. Ensure that all wires are safe and tidy-MNJ motor battery connector has a standard 0/4/8 AWG gauge which can connect multiple different sizes to the same terminal and then connect the car battery. It is safer and better and is very suitable for battery terminals 2. Real-time monitoring of battery voltage-equipped with a 12-24V voltmeter the error is less than 0.5V can correctly detect the real-time battery voltage of the car and easily understand the battery usage 3. Effectively prolong the service life of the battery-made of high-quality zinc alloy material plus pure copper fastening ring sturdy and durable with better electrical conductivity can protect the car battery terminal from corrosion and make the battery life longer 4. Better protection-The transparent acrylic cover can effectively prevent dust and damage in the surrounding environment and better protect the wires and battery terminals 5. Powerful function-adopt the standard international car battery 17.5mm universal caliber suitable for most car batteries Package includes 1* Car Battery Terminal Connectors